Knowing the meaning of a word is one thing; yet using it both grammatically and communicatively properly is quite ______.
—What about ________ lecture you attended yesterday? —To tell the truth, it was too boring.I can't stand ______ lecture like that.
The early 1950s was still________ time when girl's education was always placed________ second to boy's.
(2013•新课标全国卷Ⅱ) Four and ________ half hours of discussion took us up to midnight,and ________ break for cheese,chocolate and tea with sugar.
The emergency center is in great need of O-type blood,but there is__________ at hand.
(2014届山东省潍坊市高三3月模拟考试英语试卷) It suddenly occurred to me I hadn’t locked my door.